1998
DOI: 10.1103/physrevb.58.11023
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Correlation and electron-phonon effects in the valence-band photoemission spectra of single-phaseK3C60films

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Cited by 18 publications
(31 citation statements)
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“…20 The PES data of the K 3 C 60 sample 12,13 were in good agreement with those of earlier reports. [9][10][11] A ͑1 ϫ 1͒ ͑111͒ surface pattern was confirmed by low-energy electron diffraction, consistent with previous work.…”
Section: Methodssupporting
confidence: 88%
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“…20 The PES data of the K 3 C 60 sample 12,13 were in good agreement with those of earlier reports. [9][10][11] A ͑1 ϫ 1͒ ͑111͒ surface pattern was confirmed by low-energy electron diffraction, consistent with previous work.…”
Section: Methodssupporting
confidence: 88%
“…However, numerous photoemission spectroscopy ͑PES͒ data show broad structures for the K 3 C 60 stoichiometry. [3][4][5][6][7][8][9][10][11][12][13] A number of theoretical studies have been carried out in order to elucidate the role of effects such as electron-electron correlation or electron-phonon coupling and the Jahn-Teller effect 1,14,15 on the electronic structure. The most recent work concludes that both of these effects have to be included to describe the K 3 C 60 electronic structure.…”
mentioning
confidence: 99%
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“…21͒ and is in contrast with the general trend in C 60 monolayers on metals, where the photoemission spectra are narrower than in the bulk because of a combined reduction in the electronplasmon coupling and of the Coulomb energy U in the proximity of the metal surface. 22,23 The line width in C 60 / Cu͑553͒ seems consistent with the fact that electron correlations and many-body interactions are expected to be stronger in a one-dimensional system. Also the broad LUMO line width might be explained by the peculiar molecular arrangement of C 60 / Cu͑553͒.…”
Section: Resultssupporting
confidence: 53%
“…The PES spectra of K 3 C 60 show a broad structure around 0.5 eV, which has been attributed to correlationinduced states. 9,[19][20][21][22] High-resolution PES studies of K 3 C 60 at lower temperature revealed presence of a metallic edge with fine structures that have been explained with electronphonon and electron-plasmon interactions. 20,21 Highresolution PES studies at lower temperature of K-doped picene will provide insight into the superconductivity, as in K-doped fullerides.…”
Section: Calcmentioning
confidence: 99%